[Mono-bugs] [Bug 648616] New: Nested generic type field type is emitted incorrectly

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=648616

https://bugzilla.novell.com/show_bug.cgi?id=648616#c0


           Summary: Nested generic type field type is emitted incorrectly
    Classification: Mono
           Product: Mono: Runtime
           Version: SVN
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Major
          Priority: P5 - None
         Component: misc
        AssignedTo: rkumpera at novell.com
        ReportedBy: msafar at novell.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---


Compile & run

using System;
using System.Reflection;
using System.Reflection.Emit;

class Program
{
    static void Main ()
    {
        AssemblyName asmname = new AssemblyName ();
        asmname.Name = "sre";
        AssemblyBuilder asmbuild = System.Threading.Thread.GetDomain ().
                    DefineDynamicAssembly (asmname,
AssemblyBuilderAccess.RunAndSave);
        ModuleBuilder modbuild = asmbuild.DefineDynamicModule ("modulename",
           "sre.exe");

        TypeBuilder myType = modbuild.DefineType ("Sample",
TypeAttributes.Public);

        string[] typeParamNames = { "TFirst" };
        myType.DefineGenericParameters (typeParamNames);

        var nested = myType.DefineNestedType ("nested");
        nested.DefineGenericParameters (typeParamNames);

        var field = myType.DefineField ("field", nested,
FieldAttributes.Public);

        var m = myType.DefineMethod ("test", MethodAttributes.Public);
        m.SetParameters (myType);

        var ilgen = m.GetILGenerator ();
        ilgen.Emit (OpCodes.Ldarg_0);
        ilgen.Emit (OpCodes.Ldfld, field);
        ilgen.Emit (OpCodes.Pop);
        ilgen.Emit (OpCodes.Ret);

        var baked = myType.CreateType ();
        nested.CreateType ();

        asmbuild.Save ("sre.exe");

        return;
    }
}

Disassembly produced sre.exe

Mono emits invalid

 IL_0001:  ldfld      class Sample/'nested' class Sample<!TFirst>::'field'

NET 

IL_0001:  ldfld      class Sample/'nested'<!0> class Sample<!TFirst>::'field'

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